2153963303 has 4 divisors (see below), whose sum is σ = 2156392560. Its totient is φ = 2151534048.

The previous prime is 2153963299. The next prime is 2153963323. The reversal of 2153963303 is 3033693512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2153963303 - 2² = 2153963299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153963323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213298 + ... + 1215071.

It is an arithmetic number, because the mean of its divisors is an integer number (539098140).

Almost surely, 2^2153963303 is an apocalyptic number.

2153963303 is a deficient number, since it is larger than the sum of its proper divisors (2429257).

2153963303 is an equidigital number, since it uses as much as digits as its factorization.

2153963303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429256.

The product of its (nonzero) digits is 43740, while the sum is 35.

The square root of 2153963303 is about 46410.8101954706. The cubic root of 2153963303 is about 1291.4554617769.

The spelling of 2153963303 in words is "two billion, one hundred fifty-three million, nine hundred sixty-three thousand, three hundred three".